Finding the Fourth Proportional to 172,968.99, 259,431.99 and 46,619.12
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Solution
The fourth proportional to 172,968.99, 259,431.99 and 46,619.12 is: 69,922.88
Step by Step Solution
- Step 1: Write the proportion equation
172,968.99 : 259,431.99 = 46,619.12 : x - Step 2: Convert to fraction form
172,968.99/259,431.99 = 46,619.12/x - Step 3: Cross multiply
172,968.99x = 259,431.99 × 46,619.12 - Step 4: Simplify right side
172,968.99x = 12,094,489,776.49 - Step 5: Solve for x
x = 12,094,489,776.49/172,968.99 - Step 6: Final answer
x = 69,922.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.